Method and apparatuses of using foramen catheter needle scope to induce temporary blockade of sacral nerves

ABSTRACT

A using method and apparatuses of foramen catheter needle scope of the present invention uses a new approach, new sites and set of apparatuses to block sacral nerves or nerve plexus to reduce pain during operating. The present invention uses an endoscopic video system with foramen catheter needle scope to introduce anesthetic agents via catheter through foramen of sacral bone to block the sympathetic and parasympathetic nerve fibers of lower pelvis, which includes the innervation of uterus, vaginal canal and perineum.

BACKGROUND OF THE INVENTION

[0001] 1. Field of the Invention

[0002] The present invention relates to a method and apparatuses ofusing foramen catheter needle scope, and more particularly to a methodand apparatuses of using foramen catheter needle scope to inducetemporary blockade of sacral nerves.

[0003] The present invention pertains to an endoscopic video systemattached to a foramen catheter needle scope, a catheter being introducedto the foramen of sacrum and administration of anesthetic agents viacatheter through foramen of sacrum to block the sympathetic andparasympathetic nerve fibers of lower pelvis include sympathetic trunk,sympathetic ganglion, fibers of S2, S3, S4, parasympathetic or NerviErigentes, inferior hypo gastric nerve plexus, pelvic plexus and uterosacral nerve plexus, pudendal nerve and perineal nerve.

[0004] 2. Description of Related Art

[0005] Conventional methods of painless or reduce pain techniques usedin labor course include the following examples. Inhalation anesthesia isinhalation of evaporative gaseous product to induce systemic generalanesthesia, which is considering dangerous to mother and body. Epiduralanesthesia, is to introduce nerve blocking agents into epidural space,also has the disadvantages of immobilization when onset and dangerous ofspinal shock to mother and body. Caudal block, pudendal block and localanesthesia can block pain while third stage and delivery of fetal head,few effect at first and second stage of uterine contraction pain.Paracervical block is to inject anesthetic agents along cervix to blockthe innervation of lower segment of uterus, usually failure to block theupper portion pain when uterine contract, and often dislodged ofcatheter when progress of labor or effacement of cervix changes.

[0006] Consequently, a safer technique to help women reduce pain orinduce painless is always welcomed and to be improved upon.

SUMMARY OF THE INVENTION

[0007] The main objective of the present invention is to provide asolution to the problem described above.

[0008] To achieve the objective, using endoscopic video system, trocar,foramen needle scope with operation openings, catheter, fixation tapesand injection agents and devices, which entails the following procedure:

[0009] 1. The patient is placed in a lateral recumbent, sitting, proneor semi prone flexed position.

[0010] 2. Disinfect of the operation field.

[0011] 3. Local anesthesia administrated to the sacral area.

[0012] 4. Introducing foramen catheter needle scope follow trocarapplied then attach to video system to locate foramen of sacrum of oneside.

[0013] 5. Check and treat bleeding point.

[0014] 6. Introducing of catheter from the scope through foramen ofsacrum to the area covers sympathetic trunk, sympathetic ganglion,sacral S2, S3, S4, parasympathetic or Nervi Erigentes, inferiorhypogastric nerve plexus, pelvic nerve plexus and utero sacral nerveplexus.

[0015] 7. Anesthetic agents administrated to block the afferent andefferent neurons of the innervation of sympathetic trunk, sympatheticganglion, sacral nerve S2, S3, S4, parasympathetic or Nervi Erigentes,inferior hypogastric plexus and utero sacral plexus.

[0016] 8. Tape the catheter tightly to the skin after remove of foramencatheter needle scope and trocar.

[0017] 9. Repeat steps of 4, 5, 6, 7 and 8 of the other side foramen ofsacrum.

[0018] 10. Administration of anesthetic agents through catheters perneeded.

[0019] 11. Remove catheters to conclude the procedure.

[0020] Further benefits and advantages of the present invention willbecome apparent after a careful reading of the detailed description withappropriate reference to the accompanying drawings.

BRIEF DESCRIPTION OF THE DRAWINGS

[0021]FIG. 1 is a flow chart of a method of using foramen catheterneedle scope of the present invention to induce temporary blockade ofsacral nerves;

[0022]FIG. 2 is a partial side plan view of the nerve system of sacralarea;

[0023]FIG. 3 is a rear plan view of the sacrum and coccyx;

[0024]FIG. 4 is a side plan view of lower pelvis of sacral area;

[0025]FIG. 5 is a side operational view of the method of the presentinvention in FIG. 1;

[0026]FIG. 6 is a side operational view of the method of the presentinvention in FIG. 1;

[0027]FIG. 7 is a side operational view of the method of the presentinvention in FIG. 1;

[0028]FIG. 8 is a side operational view of the method of the presentinvention in FIG. 1;

[0029]FIG. 9 is a flow chart of another method of using foramen catheterneedle scope of the present invention to induce temporary blockade ofsacral nerves;

[0030]FIG. 10 is a side operation view of the method of the presentinvention in FIG. 9;

[0031]FIG. 11 is a side operational view of the method of the presentinvention in FIG. 9;

[0032]FIG. 12 is a side exploded plan view of a foramen catheter needlescope in accordance with the present invention; and

[0033]FIG. 13 is a side exploded plan view of another embodiment of aforamen catheter needle scope in accordance with the present invention.

DETAILED DESCRIPTION OF THE INVENTION

[0034] Referring to the drawings and initially to FIGS. 1-8 and 11-12, amethod and apparatuses of using foramen catheter needle scope to inducea temporary blockade of sacral nerves in accordance with the presentinvention comprises following procedures.

[0035] Step A—Sterilization: The patient is placed in lateral recumbent,sitting, prone or semi prone flexed position, disinfect of the operationfiled properly.

[0036] Step B—Anesthesia: Local anesthesia is given to sacral area.

[0037] Step C—Introducing of foramen catheter needle scope: Introducingforamen catheter needle scope follow trocar applied then attach to videosystem to locate foramen of sacrum of one side.

[0038] Step D—Check and treat bleeding point.

[0039] Step E—Introducing of catheter: Introducing of catheter withinthe scope through foramen of sacrum to the area covers sympathetictrunk, sympathetic ganglion, sacral nerve S2, S3, S4, parasympathetic orNervi Erigentes, inferior hypogastric nerve plexus, pelvic nerve plexusand utero sacral nerve plexus.

[0040] Step F—Administration of anesthetic agents: Anesthetic agentsadministrated to block the afferent and efferent neurons of theinnervation of sympathetic trunk, sympathetic ganglion, sacral nerve S2,S3, S4, parasympathetic or Nervi Erigentes, inferior hypogastric plexus,pelvic plexus and utero sacral plexus.

[0041] Step G—Fixation: Tape the catheter tightly to the skin afterremove of foramen catheter needle scope and trocar.

[0042] Step H—The other side: Repeat steps C, D, E, F and G of the otherside foramen of sacrum.

[0043] Step I—Continuous analgesia: Administration of anesthetic agentsthrough catheters per needed.

[0044] Step J—Removal: Remove catheters to conclude the procedure.

[0045] This technique is safe and effective to provide a new version toreduce pain or induce painless during labor course.

[0046] Using method and apparatus of foramen catheter needle scope toinduce temporary blockade of sacral nerves and reduce pain is a methodusing endoscopic video system, trocar and foramen catheter needle scopeto introduce a catheter through foramen of sacrum to area covers nervefibers of sympathetic trunk, sympathetic ganglion, sacral nerves S2, S3,S4, pelvic splanchnic nerves (Nervi Erigentes), inferior hypogastricplexus, pelvic plexus, utero sacral plexus, pudendal nerve and perinealnerve, then anesthetic agents can be administrated to both side of thearea via catheters continuously per needed to reduce pain or inducepainless of lower pelvis. The catheters are tightly attached to the skinwith adhesive tapes to avoid dislodgement. Catheters are removed toconclude the procedure after operation.

[0047] Furthermore, with reference to FIGS. 2-3 and 9-11, a modificationof using endoscopic assist foramen catheter needle to induce temporaryblockade sacral nerves includes the using of following method andapparatus.

[0048] 1. Introducing of endoscope follow trocar applied at sacral area.

[0049] 2. A foramen catheter needle is inserted to introduce catheterfrom the needle to one side foramen of sacrum under the vision andassist of endoscope.

[0050] 3. Administration of anesthetic agents through foramen of sacrumvia catheter.

[0051] 4. Remove the needle.

[0052] 5. Fixation of catheter to skin.

[0053] 6. Using endoscope to locate the other side foramen of sacrum.

[0054] 7. A foramen catheter needle is inserted to introduce catheterfrom the needle to the other side foramen of sacrum under the vision andassist of endoscope.

[0055] 8. Repeat step 3, 4 and 5.

[0056] 9. Remove the trocar and endoscope.

[0057] 10. Administration of anesthetic agents through each side foramenof sacrum via catheter per needed.

[0058] 11. Remove both side catheters after birth to conclude theprocedure.

[0059] With reference to FIG. 12, the foramen catheter needle scope asdescribed above comprises an outer sheath (10) including a first passage(11) longitudinally defined in the outer sheath (10) and extendingthrough the outer sheath (10), and a second passage (12) longitudinallydefined in the outer sheath (10) and extending through the outer sheath(10). A stick-like plug (13) is previously fully received in the firstpassage (11). The first passage (11) is provided to partially receive aforamen catheter needle scope (20) after the outer sheath (10) with theplug (13) being inserted into the sacral area and the plug (13) beingremoved from the outer sheath (10). The second passage (12) is definedfor partially receiving a catheter (not shown) to inject anestheticagents to the area cover sacrum nerves. The foramen catheter needlescope (20) has an optic device (21) mounted thereon and aconnector/adaptor (22) provided to be connected to a cold light source(not shown) and a digitally controlled video system (not shown).

[0060] With reference to FIG. 13, it is another embodiment of theforamen catheter needle scope of the present invention. The foramencatheter needle scope comprises an outer sheath (30) including a passage(31) longitudinally defined in the outer sheath (30) and extendingthrough the outer sheath (30), and a stick-like plug (32) previouslyreceived in the passage (31) in the outer sheath (30). A foramencatheter needle scope (40) is partially received in the passage (31) inthe outer sheath (30) after the outer sheath (30) with the plug (32)being inserted into the sacral area and the stick-like plug (32) removedfrom the outer sheath (30). The foramen catheter needle scope (40)includes an optic device (41) mounted thereon, a connector/adaptor (42)formed to be connected to a cold light source (not shown) and adigitally controlled video system (not shown), and a passage (43)longitudinally defined in the foramen catheter needle scope (40) andextending along the foramen catheter needle scope (40) for receiving acatheter to inject anesthetic agents to the sacral nerves.

[0061] Furthermore, with reference to FIGS. 10 and 11 that show anothermethod to use the present invention. An endoscope has been introducedclose to middle of sacral area to locate both sides foramen of sacrum. Aforamen catheter needle is introduced at the second puncture site ofsacral area close to one side foramen of sacral bone. Under the visionand assist of endoscope, the tip of foramen catheter needle (50) andforamen of sacrum can be easily identified. The foramen catheter in theneedle then is introduced through foramen of sacrum to the area thatcovers the innervation of sacral nerves S2, S3 and S4, and anestheticagents then is administrated to block the innervation of the area. Athird puncture site is made to the other side of sacral area close tothe other side foramen of sacrum. Then make the same to block theinnervation covers the other side sacral nerves.

[0062] Although the invention has been explained in relation to itspreferred embodiment, it is to be understood that many other possiblemodifications and variations can be made without departing from thespirit and scope of the invention as hereinafter claimed.

What is claimed is:
 1. A method of using foramen catheter needle scopeto induce a temporary blockade of sacral nerves and to reduce pain,comprising the steps of: Step A—Sterilization: The patient is placed inlateral recumbent, sitting, prone or semi prone flexed position,disinfect of the operation filed properly; Step B—Anesthesia: Localanesthesia is given to sacral area; Step C—Introducing of foramencatheter needle scope: Introducing foramen catheter needle scope followtrocar applied then attach to video system to locate foramen of sacrumof one side; Step D—Check and treat bleeding point; Step E—Introducingof catheter: Introducing of catheter within the scope through foramen ofsacrum to the area covers sympathetic trunk, sympathetic ganglion,sacral nerve S2, S3, S4, parasympathetic or Nervi Erigentes, inferiorhypogastric nerve plexus, pelvic nerve plexus and utero sacral nerveplexus; Step F—Administration of anesthetic agents: Anesthetic agentsadministrated to block the afferent and efferent neurons of theinnervation of sympathetic trunk, sympathetic ganglion, sacral nerve S2,S3, S4, parasympathetic or Nervi Erigentes, inferior hypogastric plexus,pelvic plexus and utero sacral plexus; Step G—Fixation: Tape thecatheter tightly to the skin after remove of foramen catheter needlescope and trocar; Step H—The other side: Repeat steps C, D, E, F and Gof the other side foramen of sacrum; Step I—Continuous analgesia:Administration of anesthetic agents through catheters per needed; andStep J—Removal: Remove catheters to conclude the procedure afteroperation.
 2. A method of using endoscope and foramen catheter needle toinduce a temporary blockade of sacral nerves and to reduce pain,comprising the steps of: Step 1—Introducing of endoscope follow trocarapplied at sacral area; Step 2—A foramen catheter needle inserted at asecond puncture site to introduce catheter to one side foramen of sacrumunder the vision and assist of endoscope; Step 3—Administration ofanesthetic agents through foramen of sacrum via catheter; Step 4—Removethe needle; Step 5—Fixation of catheter to skin; Step 6—Using endoscopeto locate the other side foramen of sacrum; Step 7—A foramen catheterneedle inserted at a third puncture site to introduce catheter to theother side foramen of sacrum under the vision and assist of endoscope;Step 8—Repeat step 3, 4 and 5; Step 9—Remove the trocar and endoscope;Step 10—Administration of anesthetic agents through each side foramen ofsacrum via catheter per needed; and Step 11—Remove both side cathetersafter birth to conclude the procedure.
 3. The Apparatus of foramencatheter needle scope to induce temporary blockade of sacral nerves andto reduce pain, comprising an outer sheath including a first passageslongitudinally defined in the outer sheath and extending through theouter sheath, and a second passage longitudinally defined in the outersheath and extending through the outer sheath, a stick-like plugpreviously fully received in the first passage, the first passageprovided to partially receive an foramen catheter needle scope after theplug being removed from the outer sheath and the second passage definedfor partially receiving a catheter to inject anesthetic agents, theforamen catheter needle scope having an optic device mounted thereon anda connector adapted to be connected to a cold light source and andigitally controlled video system.
 4. The apparatus of foramen catheterneedle scope to induce temporary blockade of sacral nerves and to reducepain during operating, comprising an outer sheath including a passagelongitudinally defined in the outer sheath and extending through theouter sheath, and a foramen catheter needle scope partially received inthe passage in the outer sheath, the foramen catheter needle scopeincluding an optic device mounted thereon, a connector adapted to beconnected to a cold light source and a digitally controlled videosystem, and a passage longitudinally defined in the foramen catheterneedle scope and extending through the foramen catheter needle scope forreceiving a catheter to inject anesthetic agents.
 5. The apparatus ofusing endoscope and foramen catheter needle to induce temporary blockadeof sacral nerves and to reduce pain during operating, comprising anouter sheath receiving a first stick-like plug and the endoscopereceived in the outer sheath after the first stick-like plug beingremoved from the outer sheath, and the foramen catheter needle receivinga second stick-like plug, when the second stick-like plug being removedfrom the foramen catheter needle, a catheter received in the foramencatheter needle for injecting anesthetic agents.